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1、最主要的一点是不能写成勘察报告的格式，吉林大学本科生毕业论文(设计)云南省气象局办公楼工程地质条件评价与基础论证TheGeo-engineeringConditionsEvaluationandFoundationDemonstrationofMeteorologicBureauinYunnanProvince学生姓名专业班级及学号指导教师论文完成时间摘要本论文通过收集云南省气象局办公楼的岩土工程勘察资料，了解到该拟建工程的工程地质概况，气候条件，地形地貌条件，从而对场地的工程地质条件进行比较全面的
2、分析，阐明了地基土层的性质、分布规律、成因类型，各地层的物理力学性质指标，地下水的类型等。通过对场地土类型、地震效应、砂土液化、地下水的腐蚀性等分析，评价其对工程建设的影响程度。通过对拟建场地工程地质条件的分析和工程地质问题的论证，并且经过基础方案的论证，给出了建议性的基础类型和设计，建议采用桩基础。对桩型的选择，持力层选择，桩的施工工艺，单桩承载力等进行了分析计算，对桩数的多少等做了初步计算。通过几种桩型的对比，最终选择使用沉管灌注桩，并对基坑开挖和降水方法，提出了一些建议。关键词：工程地质；地震
3、效应；砂土液化；桩基础；单桩承载力ABSTRACTInthispaper,throughthecollectionoftheYunnanProvincialMeteorologicalBureauofficeingeotechnicalengineeringinvestigation,understandingthattheproposedprojectworksgeology,climate,topographyconditions,doingmorecomprehensiveanalysisto
4、theengineeringgeologicalconditions.ClarifyingtheThenatureofthefoundationlayer,thedistributionrule,thegenetictypes,variousformationphysicalandmechanicalpropertiesindexes,groundwatertypeandsoon.Basedonsoiltype,seismiceffect,soilliquefaction,suchascorrosi
5、onofthegroundwater,theconstructionofitsevaluationoftheimpact.Throughtheanalysisofengineeringgeologyconditionsandthedemonstrationofengineeringgeologyproblemsoftheproposedproject,Iofferfoundationtypesanddesign,suggestusingpilefoundation.Pilefoundationiso
6、neoftheformsofdeepfoundation.Itcanaccommodateallkindofengineeringgeologicalsituations,engineeringrequestsandloadsituationswell.Inthelasthalfcentury,accompaniedwiththerapidlyincreasingofhigh-risebuildings,pile-foundationswasusedmoreandmoreextensive.Thes
7、tudyofpile-foundationhasbeenpromptedgreatlyinmanydirectionstocatchuptheneedsofthecityarchitecture.Thispaperhascarriedouttheanalysisaboutpilechoice,bearingstratumchoice,pilecarryingcapacityanddoneapreliminaryonthenumberofthepileandpilelayout.Bycomparing
8、withseveraltypeofpile,pilingmethodIchoosetousetheimmersed-pipegroutingpile.AndImakeanumberofrecommendationsaboutexcavationanddewateringengineering.Keywords:engineeringgeology;theseismicefficiency;thesandysoilliquefy;thepilefoundation;th
